Ishino 【石濃】2 The Japanese surnames etymology dictionary.
② Aichi-ken Okazaki-shi Origin of Ida Town. A place name with a record since the Muromachi period. The place name was also written as "Ita". Gunma-ken Sawa-gun Tamamura-machi Tradition in Kamindoshida.
④ Convention . Abbreviation of Oida. Gunma-ken Takasaki-shi Shimotaki Town, Saitama-ken Fukaya-shi Tell her that she disguised Oimura's surname on Aboriginal Disposition. Estimated Muromachi era. 大井田 reference.
⑤ Convention . Iida's abbreviation. Saitama-ken Honjou-shi Kodama-machi In Kochi- machi I tell you that I came from Nagano-ken and came from 1573 to 1592 (Tensho year) and renamed from Iida surname. 飯田 reference.